Urea formaldehyde is known for which electrical property?

Get ready for the IGCSE Design and Technology (DT) exam with our comprehensive quiz. Study with multiple choice questions and detailed explanations to boost your confidence and ace your test!

Multiple Choice

Urea formaldehyde is known for which electrical property?

Explanation:
Electrical insulation is the key idea here. When urea formaldehyde is cured, it forms a dense, crosslinked thermosetting resin that resists the movement of electric charges. This gives high resistivity and good dielectric strength, so it acts as a very good electrical insulator. It’s not flexible or transparent and it’s known more for its insulating and heat-stable properties as a rigid thermoset, rather than for flexibility or clarity.

Electrical insulation is the key idea here. When urea formaldehyde is cured, it forms a dense, crosslinked thermosetting resin that resists the movement of electric charges. This gives high resistivity and good dielectric strength, so it acts as a very good electrical insulator. It’s not flexible or transparent and it’s known more for its insulating and heat-stable properties as a rigid thermoset, rather than for flexibility or clarity.

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